Get the Sony HT-A9...it is a big step up from goofyass soundbars without the complications of 5.2.4, 7.4.6 etc atmos setups.
Replacing surround with sound bar
The Bryston SP3 processor I use for surround doesn't take eARC so I need an eARC/HDMI converter. It's messy. For simplification I'm thinking of replacing the surround gear (SP3, 2 NAD stereo amps, 4 KEF LS50s, and a large center speaker) with a Sony HT A-700. The audio of the new 85" Sony full array TV is quite good, so I don't bother with surround. Any recommendations?